Home / 42,515.76-63,781.35-17,541.93

Finding the Fourth Proportional to 42,515.76, 63,781.35 and 17,541.93

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Solution

The fourth proportional to 42,515.76, 63,781.35 and 17,541.93 is: 26,316.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,515.76 : 63,781.35 = 17,541.93 : x
  2. Step 2: Convert to fraction form
    42,515.76/63,781.35 = 17,541.93/x
  3. Step 3: Cross multiply
    42,515.76x = 63,781.35 × 17,541.93
  4. Step 4: Simplify right side
    42,515.76x = 1,118,847,977.01
  5. Step 5: Solve for x
    x = 1,118,847,977.01/42,515.76
  6. Step 6: Final answer
    x = 26,316.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.